From: jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 10 Jul 2009 18:06:01 +0000 (+0000)
Subject: fix build breaks. and allow for new lists to be created.
X-Git-Tag: edk2-stable201903~17424
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=5f7431d0cf57f68b0f2ad7cb89684c7ec3a4c252;p=mirror_edk2.git

fix build breaks. and allow for new lists to be created.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8885 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/ShellPkg/Library/UefiShellLib/UefiShellLib.c b/ShellPkg/Library/UefiShellLib/UefiShellLib.c
index 7b7533a327..54b6a43e03 100644
--- a/ShellPkg/Library/UefiShellLib/UefiShellLib.c
+++ b/ShellPkg/Library/UefiShellLib/UefiShellLib.c
@@ -1302,7 +1302,8 @@ InternalShellConvertFileListType (
   and will process '?' and '*' as such.  the list must be freed with a call to 
   ShellCloseFileMetaArg().
 
-  If you are NOT appending to an existing list *ListHead must be NULL.
+  If you are NOT appending to an existing list *ListHead must be NULL.  If 
+  *ListHead is NULL then it must be callee freed.
 
   @param Arg                    pointer to path string
   @param OpenMode               mode to open files with
@@ -1337,6 +1338,13 @@ ShellOpenFileMetaArg (
   // Check for UEFI Shell 2.0 protocols
   //
   if (mEfiShellProtocol != NULL) {
+    if (*ListHead == NULL) {
+      *ListHead = (EFI_SHELL_FILE_INFO*)AllocateZeroPool(sizeof(EFI_SHELL_FILE_INFO));
+      if (*ListHead == NULL) {
+        return (EFI_OUT_OF_RESOURCES);
+      }
+      InitializeListHead(&((*ListHead)->Link));
+    }    
     return (mEfiShellProtocol->OpenFileList(Arg, 
                                            OpenMode, 
                                            ListHead));
@@ -2162,4 +2170,4 @@ ShellPrintEx(
   FreePool(PostReplaceFormat2);
 
   return (Return);
-}
\ No newline at end of file
+}